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Field study demonstrates that extended daylight hours influence teens' sleeping patterns.
The first field study on the impact of light on teenagers' sleeping habits finds that insufficient daily morning light exposure contributes to teenagers not getting enough sleep.
Sleep disturbances increase as we age. Some studies report more than half of seniors 65 years of age or older suffer from chronic sleep disturbances.
Like a wristwatch that needs to be wound daily for accurate time-telling, the human circadian system â€” the biological cycles that repeat approximately every 24 hours â€” requires daily light exposure to the eyeâ€™s retina to remain synchronized with the solar day. In a new study published in the June issue of Neuroscience Letters, researchers have demonstrated that when it comes to the circadian system, not all light exposure is created equal.
- The act of burning, scorching, or heating to dryness; the state or being thus heated or dried.
- In medicine, cauterization.